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    Unusual Material could Improve the Reliability of Electronics and other devices

    October 2, 2021, Categories  Physics, Technology/Electronics

    Crystalline sheets
    Random twists between layers of crystalline sheets block heat going through the layers, but still maintain good heat flow along the sheets. Researchers measure an astonishing factor of 900 in the difference in heat flow.
    Image by Neuroncollective.com (Daniel Spacek, Pavel Jirak) / Chalmers University

    Moving heat around where you want it to go—adding it to houses and hairdryers, removing it from car engines and refrigerators—is one of the great challenges of engineering.

    All activity generates heat, because energy escapes from everything we do. But too much can wear out batteries and electronic components—like parts in an aging laptop that runs too hot to actually sit on your lap. If you can’t get rid of heat, you’ve got a problem.

    Scientists at the University of Chicago have...

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